Disable the web speech input feature on extension popups.

content/browser/speech/speech_input_manager.h

Index: content/browser/speech/speech_input_manager.h
diff --git a/content/browser/speech/speech_input_manager.h b/content/browser/speech/speech_input_manager.h
index a342dc3deffb1d133cafee6d2291988a93c9a1c3..3c37aff6584fbbd28195d1ddad529e362bac508c 100644
--- a/content/browser/speech/speech_input_manager.h
+++ b/content/browser/speech/speech_input_manager.h
@@ -147,8 +147,13 @@ class CONTENT_EXPORT SpeechInputManager : public SpeechRecognizerDelegate {
     bool is_active;  // Set to true when recording or recognition is going on.
   };
 
+  struct SpeechInputParams;
+
   Delegate* GetDelegate(int caller_id) const;
 
+  void CheckRenderViewTypeAndStartRecognition(const SpeechInputParams& params);
+  void ProceedStartingRecognition(const SpeechInputParams& params);
+
   typedef std::map<int, SpeechInputRequest> SpeechRecognizerMap;
   SpeechRecognizerMap requests_;
   std::string request_info_;